Limit test runners further

Author: dpassen

.github/workflows/test.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["2.7", "3.7", "3.8", "3.9"]
+        python-version: ["3.7", "3.8", "3.9"]
     steps:
       - name: Checkout
         uses: actions/checkout@v3